Home / 5,231.58-7,220.83-2,994.75

Finding the Fourth Proportional to 5,231.58, 7,220.83 and 2,994.75

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Solution

The fourth proportional to 5,231.58, 7,220.83 and 2,994.75 is: 4,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.58 : 7,220.83 = 2,994.75 : x
  2. Step 2: Convert to fraction form
    5,231.58/7,220.83 = 2,994.75/x
  3. Step 3: Cross multiply
    5,231.58x = 7,220.83 × 2,994.75
  4. Step 4: Simplify right side
    5,231.58x = 21,624,573.16
  5. Step 5: Solve for x
    x = 21,624,573.16/5,231.58
  6. Step 6: Final answer
    x = 4,133.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.